Improper input validation in Spip

CVE-2016-7998

The SPIP template composer/compiler in SPIP 3.1.2 and earlier allows remote authenticated users to execute arbitrary PHP code by uploading an HTML file with a crafted (1) INCLUDE or (2) INCLURE tag and then accessing it with a valider_xml action.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.136 (96.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

  • Spip
  • N/a — versions n/a

Weakness classification (CWE)

Public proof-of-concept exploits

References

  • cve@mitre.org (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
  • cve@mitre.org (x_refsource_CONFIRM, Patch, Issue Tracking, Vendor Advisory)
  • cve@mitre.org (x_refsource_CONFIRM, Patch, Issue Tracking, Vendor Advisory)
  • cve@mitre.org (x_refsource_CONFIRM, Patch, Issue Tracking, Vendor Advisory)
  • cve@mitre.org (mailing-list, x_refsource_MLIST, Patch, Mailing List, Third Party Advisory)
  • cve@mitre.org (mailing-list, x_refsource_MLIST, Patch, Mailing List, Third Party Advisory)
  • cve@mitre.org (x_refsource_MISC)
  • cve@mitre.org (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)

Frequently asked questions

What is CVE-2016-7998?
CVE-2016-7998 is a high-severity vulnerability in Spip, classified under Improper Input Validation. CVSS score: 8.8/10. Published 2017-01-18.
How severe is CVE-2016-7998?
High severity. CVSS v3 base score is 8.8 out of 10.
Is CVE-2016-7998 known to be exploited?
2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.